PDF malware analysis — malicious · e06d903024814604

MALICIOUS

PDF

58.2 KB Created: 2020-08-11 04:57:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 039a160a56862734f6b1298d3304063c SHA-1: a602caae942ffa31b0d369f90a610a0b64a73b1d SHA-256: e06d903024814604198ce5e91a7bd6ca0fa448fc3a586bcb0db27552b7f8336d

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link that redirects to a malicious URL, disguised as a Salesforce Apex tutorial. This is further supported by heuristics indicating a malicious redirector and a link farm. The document body, though heavily obfuscated, contains the malicious URL and text related to the lure. The primary attack pattern involves tricking the user into clicking the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.cc/pify?keyword=salesforce+apex+tutorial+for+beginners+pdf
- http://files.mannadevelopment.com/uploads/1/3/2/8/132814518/bevapoto.pdf
- http://files.hypefitters.com/uploads/1/3/0/9/130969494/dopapun_papitab_lolizodiroxanuv.pdf
- http://xulen.msmionline.org/uploads/1/3/1/8/131857054/5309594.pdf
- http://files.swingbridgeboats.co.uk/uploads/1/3/1/4/131409526/biged-siwemo-jexawusidutarew-fufikososig.pdf
- http://files.godancedynamics.com/uploads/1/3/0/7/130775729/disupifugobapaj.pdf
- https://cdn.shopify.com/s/files/1/0438/0069/0848/files/aphthous_stomatitis.pdf
- https://cdn.shopify.com/s/files/1/0432/2423/6199/files/matakujadufod.pdf
- https://cdn.shopify.com/s/files/1/0432/3740/8936/files/77610958143.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/womosoravitixugefiwil.pdf
- https://cdn.shopify.com/s/files/1/0432/4573/2007/files/68292024162.pdf
- https://cdn.shopify.com/s/files/1/0429/2254/1209/files/gafugoxudanizasu.pdf
- https://cdn.shopify.com/s/files/1/0429/5986/3961/files/vigejipokenazevusa.pdf
- https://cdn.shopify.com/s/files/1/0435/7446/0579/files/60361541634.pdf
- https://cdn.shopify.com/s/files/1/0433/1651/0873/files/best_outdoor_tv_antenna_consumer_reports.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.pdf
- https://cdn.shopify.com/s/files/1/0429/0140/5852/files/weather_newark_de.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://cdn.shopify.com/s/files/1/0432/2423/6199/files/matakuja

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000a282.bin` `0d3c062dabafc1ae3d9b2eab2a171c8d01fcb9e288e032cb21959870c1b89000`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA282	5632 bytes
`font_01_sfnt_off0000b5ae.bin` `1d0b4dda4c4eeeebbf4a0af8eb4e8ab31f81ea4cc84d77209706b1c88c1ef22a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB5AE	11344 bytes

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